TM 55-1520-240-23-9
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REMOVE PITCH, ROLL OR YAW BALANCE SPRINGS
11-134
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanics Tool Kit, NSN 5180-00-323-4692
Materials:
Pencil (E271)
Personnel Required:
Medium Helicopter Repairer
Equipment Condition:
Battery Disconnected (Task 1-39)
Electrical Power Off
Hydraulic Power Off
Closet Acoustic Blanket Removed (Task 2-107)
Closet Backup Panel Removed (Task 2-2)
NOTE
Procedure is same to remove pitch,
roll or yaw balance springs. Roll
spring is shown here.
1.
Mark position of balance spring (1) on strap (2).
Use pencil (E271).
2.
Disconnect spring (1) from strap (2) of idler
bellcrank (3).
3.
Disconnect spring (1) from pitch bracket (4) or
roll, yaw bracket (5). Remove spring.
FOLLOW-ON MAINTENANCE:
None
END OF TASK
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